Aea

Agents:
- Add hello_world skill and agent

Docs:
- Update repository documentations
- Update installation guide for Raspberry Pis (add a link to prebuilt image for Raspberry Pis)

Misc:
- Update the dependencies (protobuf, jsonschema, cosmpy)
- Various improvements in the repository structure (e.g. makefile, tox, workflows)
- Speed up CI/CD
- Various bug fixes

AEA:
- core and development are dependencies updated.
- ci improvements
- cosmpy updated to 0.6.0
- Small code format improvements and better linting

Plugins:
- Small code format improvements
- cosmpy updated to 0.6.0

Packages:
- Small code format improvements

AEA:
- Dependency management switched from pipenv to poetry.
- Protocol generator updated to support Unions
- Dependencies versions updates: click, mypy, black, ipfshttpclient
- Small code format improvements

Plugins:
- Update web3 to version 5.31
- Small code format improvements
- ipfshttpclient dependency version updated to 0.8.0a2

Packages:
- Protocols regenerated according to the latest protocol generator improvements: Union support
- Small code format improvements

AEA:
- Protocol generator uses int64 instead of int32
- Dependencies versions updates

Plugins:
- Upgrades fetchai plugin to use cosmpy>=0.5.0
- Upgrades cosmos plugin to use cosmpy>=0.5.0

Packages:
- Fixes for skills to work with dorado testnet (tx fee adjusted)

AEA:
- Adds support for Python 3.10
- Updates protobuf dependency
- Updates asyncio dependency
- Updates golang modules
- Updates many dependencies to their latest versions
- Fixes dependency issues

Plugins:
- Upgrades fetchai plugin to be compatible with Dorado networks
- Upgrades cosmos plugin to be compatible with Dorado networks

Packages:
- Adds more logging to the p2p_libp2p packages (vanilla, client, mailbox)
- Aries demo updated to cover the full base scenario
- Protocols were regenerated with newer protobuf

Chores:
- Fixed various tests
- Fixed docker container issue in tests
- Added automated script to add support for new versions of the Fetchai network
- Added automated script to update copyright headers and check their validity
- Apply the above script on all packages
- Adds tests for BaseContractTestTool
- Improves the script that automatically updates package versions

AEA:
- Updates the protocol generator to generate protocols that satisfy linter constraints

Plugins:
- aea-cli-ipfs plugin small update

Packages:
- Fixes fetchai/p2p_libp2p connection to address a slow DHT lookup problem
- Updates protocols with the latest protocol generator
- Updates random beacon agent so it produces block data instead of the (now deprecated feature of the test-net) random beacon data

Misc
- Bumps go library versions
- Various fixes and improvements